Ventilation Kit, 4 Inch 150 CFM Inline Filter with Fan Speed Controller and Thermohygrometer, iPower NPK Industries If thermostat shows E3

If thermostat shows E3

Diameter: 23 in

A-OK Starter Plugs for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks

ORCA's patent pending white plastic microfiber structure effectively scatters light from highly reflective crystalline structures within the substrate

The Ona Breeze has been redesigned

Ventilation Kit, 4 Inch 150 CFM Inline Filter with Fan Speed Controller and Thermohygrometer, iPower NPK Industries If thermostat shows E34 Inch 150 CFM Duct Inline Fan Blower: Composite fan blades and center hub which reduces noise and vibration 4 Inch Filter: Dimensions, 4 inches Flange Ducting x 12 inches Length, Reversible flange. Free Pre Filter included. We recommend replace the Pre Filter every 6 months to protect your filter Fan Speed Controller: Variable Speed, OFF, HIGH, medium, low. To avoid the risk of burning out the fan motor, controller does NOT adjust below 50% Free High